Zobrazeno 1 - 10
of 37
pro vyhledávání: '"Fuqin YANG"'
Publikováno v:
Meitan kexue jishu, Vol 51, Iss S2, Pp 60-70 (2023)
Multiple and thin coal seams develop in Guizhou province, and the thin coal seams below 1.5 m in the coal measures of Longtan Formation account for more than 50% of the total coal seams. As for the surface gas control technology of thin coal seam min
Externí odkaz:
https://doaj.org/article/76235331a69b4a7880d0c59a09ceb596
Publikováno v:
Meitan kexue jishu, Vol 51, Iss 11, Pp 148-157 (2023)
Guizhou has a large amount of coal resources, which have been mined for a long period of time, resulting in the formation of a large area of goaf. There is a large amount of coalbed methane resources in the goaf, but the exploitation and utilization
Externí odkaz:
https://doaj.org/article/0bde62e4c4814ec98e1fb765b198d8dd
Autor:
Fuqin Yang, Yang Liu, Jiayu Yan, Lixiao Guo, Jianxin Tan, Xiangfei Meng, Yibo Xiao, Haikuan Feng
Publikováno v:
Agriculture, Vol 14, Iss 4, p 581 (2024)
The rapid and accurate estimation of crop yield is of great importance for large-scale agricultural production and national food security. Using winter wheat as the research object, the effects of color indexes, texture feature and fusion index on yi
Externí odkaz:
https://doaj.org/article/838dd4575e114b2d89e6903dcca6dca1
Autor:
Yi Lou, Yuliang Su, Wendong Wang, Peng Xia, Ke Wang, Wei Xiong, Yin Yu, Linjie Shao, Fuqin Yang, Xiangping Chen
Publikováno v:
Geofluids, Vol 2022 (2022)
The coal facies and their effects on the coal pore characteristics of the Late Permian Longtan Formation, western Guizhou, were studied, using diverse experiments of macerals and minerals compositions, vitrinite reflectance, and pore characteristics.
Externí odkaz:
https://doaj.org/article/14bed87d0fc3444aa3225864f2ceb6f7
Publikováno v:
Atmosphere, Vol 13, Iss 8, p 1314 (2022)
The effect of water imbibition on characteristics of coalbed methane reservoirs, such as permeability, gas occurrence state, and gas production, is controversial. According to the mechanism of imbibition, gas and water distribution in blind pores is
Externí odkaz:
https://doaj.org/article/7ff4ebacec0e40a7964777a1b8325376
Publikováno v:
Advances in Mechanical Engineering, Vol 12 (2020)
In this article, a fluid–solid coupling analysis of tripod sliding universal coupling and lubricating oil film was conducted by taking into consideration cavitation and thermal effects. The coupling of the sleeve and slip pin with the lubricant oil
Externí odkaz:
https://doaj.org/article/d87a1712160f4bd094b32b28813905ee
Publikováno v:
Vibroengineering PROCEDIA. 49:220-226
In view of the safety problems caused by the pitch stability of the offshore waste collection platform, the three-dimensional model of the collection platform hull was established by SolidWorks software, and the influence of the installation paramete
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::557e8073b80d202bd301aee16f6dc0c7
https://doi.org/10.21595/vp.2023.23213
https://doi.org/10.21595/vp.2023.23213
Publikováno v:
Journal of Mechanical Science and Technology. 36:3597-3607
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::94fcea1a290b8a5b2b98658be2f62c7a
https://doi.org/10.1007/s12206-022-0635-3
https://doi.org/10.1007/s12206-022-0635-3
Publikováno v:
Industrial Lubrication and Tribology. 73:1310-1318
Purpose This paper aims to study the influence of three-column groove shell radius, ball radius, lubricating oil viscosity and elastic modulus on the thermal elastohydrodynamic lubrication (TEHL) characteristics and optimisation of the ball-type trip
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::af0999b4d23f5109dd0b8929bb7924f9
https://doi.org/10.1108/ilt-07-2021-0273
https://doi.org/10.1108/ilt-07-2021-0273
Publikováno v:
Industrial Lubrication and Tribology. 73:1237-1247
Purpose This study aims to study the effect of micro-groove texture geometric parameters on the lubrication characteristics of the tripod universal coupling. Design/methodology/approach The Navier–Stokes equation was used to analyse the influence o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::16acc04a95063e02e68cbcdb5972cb91
https://doi.org/10.1108/ilt-06-2021-0198
https://doi.org/10.1108/ilt-06-2021-0198